12-16 weeks of nitrogen release from both the hydrolysis and microbial action of IBDU Nitrogen The most Uniform Granules and free flowing materials combine for easy and uniform spreading SGN sizes available in: SNG 90 (mini greens grade) SGN 150 (Mid-Sized Fairway) SGN 200 & 230 (Standard Fairway and Rough Sizes) Precise control of nitrogen with low salts promote superior, sustained color response A PRODUCT WITH A "TRUE" FORMULATION OF IBDU NITROGEN